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v3.19.1

Segment Information (Reportable Segments) (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | $ 6,524.0 | $ 6,226.0 |
Allowance for Funds Used During Construction, Investing Activities | 30.0 | 16.0 |
Regulated Fuel Adjustment | (46.0) | 59.0 |
Depreciation, Depletion and Amortization | 916.0 | 856.0 |
Interest Expense | 724.0 | 705.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 154.0 | 124.0 |
Income tax expense (recovery) | 69.0 | 520.0 |
Net income attributable to common shareholders | 709.6 | 266.1 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 2,151.0 | 1,522.0 |
Assets, Total | 32,314.0 | 28,806.0 |
Goodwill | 6,313.0 | 5,805.0 | $ 6,213.0
Investments subject to significant influence | 1,316.0 | 1,215.0 |
All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 6,525.0 | 6,226.0 |
Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | (1.0) | 0.0 |
Intersegment Eliminations [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | (54.0) | (58.0) |
Allowance for Funds Used During Construction, Investing Activities | 0.0 | 0.0 |
Regulated Fuel Adjustment | 0.0 | 0.0 |
Depreciation, Depletion and Amortization | 0.0 | 0.0 |
Interest Expense | 0.0 | 0.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
Income tax expense (recovery) | 0.0 | 0.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 0.0 | 0.0 |
Assets, Total | (34.0) | (86.0) |
Goodwill | 0.0 | 0.0 |
Investments subject to significant influence | 0.0 | 0.0 |
Intersegment Eliminations [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 0.0 | 0.0 |
Intersegment Eliminations [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | (54.0) | (58.0) |
Emera Florida And New Mexico Segment [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 3,675.0 | 3,623.0 |
Allowance for Funds Used During Construction, Investing Activities | 21.0 | 5.0 |
Regulated Fuel Adjustment | 0.0 | 0.0 |
Depreciation, Depletion and Amortization | 534.0 | 500.0 |
Interest Expense | 238.0 | 248.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
Income tax expense (recovery) | 101.0 | 529.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 1,548.0 | 910.0 |
Assets, Total | 20,051.0 | 17,216.0 |
Goodwill | 6,053.0 | 5,566.0 |
Investments subject to significant influence | 0.0 | 0.0 |
Emera Florida And New Mexico Segment [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 3,675.0 | 3,623.0 |
Emera Florida And New Mexico Segment [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 0.0 | 0.0 |
Nova Scotia Power Inc Segment [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 1,440.0 | 1,338.0 |
Allowance for Funds Used During Construction, Investing Activities | 6.0 | 8.0 |
Regulated Fuel Adjustment | (46.0) | 59.0 |
Depreciation, Depletion and Amortization | 219.0 | 207.0 |
Interest Expense | 142.0 | 134.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 0.0 | 0.0 |
Income tax expense (recovery) | 8.0 | 0.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 345.0 | 385.0 |
Assets, Total | 5,143.0 | 4,979.0 |
Goodwill | 0.0 | 0.0 |
Investments subject to significant influence | 0.0 | 0.0 |
Nova Scotia Power Inc Segment [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 1,437.0 | 1,335.0 |
Nova Scotia Power Inc Segment [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 3.0 | 3.0 |
Emera Maine Segment [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 278.0 | 297.0 |
Allowance for Funds Used During Construction, Investing Activities | 3.0 | 3.0 |
Regulated Fuel Adjustment | 0.0 | 0.0 |
Depreciation, Depletion and Amortization | 64.0 | 47.0 |
Interest Expense | 22.0 | 20.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 3.0 | 1.0 |
Income tax expense (recovery) | 11.0 | 27.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 100.0 | 82.0 |
Assets, Total | 1,721.0 | 1,540.0 |
Goodwill | 156.0 | 143.0 |
Investments subject to significant influence | 35.0 | 13.0 |
Emera Maine Segment [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 278.0 | 297.0 |
Emera Maine Segment [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 0.0 | 0.0 |
Emera Caribbean Segment [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 467.0 | 434.0 |
Allowance for Funds Used During Construction, Investing Activities | 0.0 | 0.0 |
Regulated Fuel Adjustment | 0.0 | 0.0 |
Depreciation, Depletion and Amortization | 50.0 | 51.0 |
Interest Expense | 27.0 | 25.0 |
Internally Allocated Interest | 0.0 | 0.0 |
Income (Loss) from Equity Method Investments | 3.0 | 3.0 |
Income tax expense (recovery) | (2.0) | 0.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 87.0 | 72.0 |
Assets, Total | 1,373.0 | 1,251.0 |
Goodwill | 104.0 | 96.0 |
Investments subject to significant influence | 42.0 | 39.0 |
Emera Caribbean Segment [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 467.0 | 434.0 |
Emera Caribbean Segment [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 0.0 | 0.0 |
NEGG [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total |  | 465.0 |
Allowance for Funds Used During Construction, Investing Activities |  | 0.0 |
Regulated Fuel Adjustment |  | 0.0 |
Depreciation, Depletion and Amortization |  | 48.0 |
Interest Expense |  | 2.0 |
Internally Allocated Interest |  | (24.0) |
Income (Loss) from Equity Method Investments |  | 24.0 |
Income tax expense (recovery) |  | 18.0 |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures |  | 47.0 |
Corporate and Other [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 104.0 | 127.0 |
Allowance for Funds Used During Construction, Investing Activities | 0.0 | 0.0 |
Regulated Fuel Adjustment | 0.0 | 0.0 |
Depreciation, Depletion and Amortization | 3.0 | 3.0 |
Interest Expense | 290.0 | 276.0 |
Internally Allocated Interest | 24.0 | 24.0 |
Income (Loss) from Equity Method Investments | 110.0 | 96.0 |
Income tax expense (recovery) | (115.0) | (54.0) |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 38.0 | 26.0 |
Assets, Total | 2,275.0 | 2,331.0 |
Goodwill | 0.0 | 0.0 |
Investments subject to significant influence | 1,239.0 | 1,163.0 |
Amortization Related to Unregulated Long Term Debt | 12.0 | 24.0 |
Corporate and Other [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 68.0 | 86.0 |
Corporate and Other [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 36.0 | 41.0 |
Emera Energy Services [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 614.0 |  |
Allowance for Funds Used During Construction, Investing Activities | 0.0 |  |
Regulated Fuel Adjustment | 0.0 |  |
Depreciation, Depletion and Amortization | 46.0 |  |
Interest Expense | 5.0 |  |
Internally Allocated Interest | (24.0) |  |
Income (Loss) from Equity Method Investments | 38.0 |  |
Income tax expense (recovery) | 66.0 |  |
Segment Reporting Information, Additional Information [Abstract] |  |  |
Capital expenditures | 33.0 |  |
Assets, Total | 1,785.0 | 1,575.0 |
Goodwill | 0.0 | 0.0 |
Investments subject to significant influence | 0.0 | 0.0 |
Emera Energy Services [Member] | All External Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | 600.0 | 451.0 |
Emera Energy Services [Member] | Internal Customers [Member] |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenues, Total | $ 14.0 | $ 14.0 |

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